Jampro's NAB 2008 Product Lineup To Include New Compact UHF Mask Filter Combiner

March 10, 2008

Source: Jampro

Television and radio broadcasters will find everything they need in antennas and RF components at Jampro's NAB 2008 Booth # C2607, but Jampro's new, compact yet expandable UHF RWED-516-U television mask filter/combiner is likely to garner the attention of engineers looking for future-proof critical mask filter compliance, unparalleled performance and bulletproof reliability.

The Company will also highlight a Prostar broadband UHF slot antenna.

UHF RWED-516-U television mask filter/combiner
This versatile four-port directional filter/combining unit can be used either as a mask filter, or as a constant impedance-combining module for high power UHF broadcasting. The RWED-16-U has a cross-coupled design that accommodates adjacent channels, meets stringent filtering standards and provides constant impedance performance in adjacent channel applications as well as channel separations greater than 15 channels. It features the high isolation of traditional constant impedance technology, but achieves elliptical response without external coupling mechanisms. The large cavities of the RWED-16-U can handle high power with low insertion loss and the filters are temperature compensated for close-spaced combining applications. Not limited to bandwidth restrictions of standard hybrid technology, the RWED-16-U is expandable to handle future channels. Best of all, the engineers at Jampro designed the unit to save space with a clean, compact design that can even be mounted overhead. Meter ports are available for both before and after the filter.

New Prostar Broadband UHF Slot Antenna
With over 50 years of antenna design and manufacturing experience and over 25 years making its world renowned Prostar™ brand slot antennas for low, medium and high power TV applications, Jampro will round out the range by introducing the new Prostar Broadband UHF slot antenna. Now broadcasters can have a thoroughly proven, high performance antenna design for either analog or DTV broadband applications. The new Prostar Broadband UHF eliminates the need for multiple antennas and provides a single, compact solution that conserves tower space and minimizes wind load.

Jampro's 2008 NAB Featured Products
As the world's leading manufacturer of antennas and accessories, Jampro's booth will offer the best engineering consultation and advice supported by 50 years experience. On display will be many of Jampro's latest and most popular products--products proven in the harshest field conditions around the world by more than 16,000 radio and TV broadcasters.

In addition to the new UHF filter-combiner and broadband UHF slot antenna, Jampro's booth will feature the latest antennas and RF components for TV and radio broadcasters—DTV, FM HD, Low Power FM, transmitter combiners, HD radio injectors, filters, transmission lines and frequency matched towers solutions.

RCCC Mask Filter/Combiner for DVB-T & DTV
A compact unit with excellent performance for bandpass and channel combining. Engineers like it because is convection cooled; temperature compensated, easily mounted on the ceiling and guaranteed mechanically to provide high-isolation and low-insertion-loss.

Jampro's HD Radio™ Solutions
Jampro's Penetrator HD radio antennas and components are proven around the world as the most cost-effective in any power range and provide the performance and reliability that make engineers look good and make management smile. Jampro offers HD antenna solutions with or without deicers or radomes and components from Pro Line rigid transmission line to Frequency Matched Towers.

JLCP Antenna for Low Power FM, Translator and Booster Stations
An easy to install stainless steel, omni-directional antenna with a 2" pole mount. Field tunable from 88 to 108 MHz. The helix design makes it the affordable choice for the new breed of LPFM broadcasters wanting simplicity, flexibility, optimal reach and a great value. The JLCP has higher V-Pol than similar designs for better car reception and building penetration. A stacking harness is included when multiple bay arrays are ordered. The JLCP features a VSWR 1.5:1 or better ±150 kHz.

JTS Test Section
JTS is a compact replacement for the bulky tuned elbow complex. It permits access to the antenna or the coax system without the need for a tuned elbow complex. Available for Band I (Low Band TV), Band II (FM), Band III (Hi Band TV) and Band IV (UHF TV). Comes with fixed bullets for Input and Output, plus one 'O' ring, hardware set, pass-through connection, and test turn. Port closure maintains impedance for normal operation.

RCPU Patch Panel
A low-effort, quick release, patch panel with rock-solid connections and low insertion loss. A positive lock mechanism assures quick and easy re-directions of RF signal paths. Ideal for patching RF feeds to emergency antenna, alternate main/auxiliary transmitters, filter by-pass, master station combiner re-routes and test point insertions. No tools required to make patches. Comes in several sizes, with an optional signal-flow indicator panel, dual-line power splitter or power measuring VSWR.

JMPC-HD ANTENNA
Perfect for medium power FM stations for separate or interleaved broadcasting. Rated at 10 kW maximum input, each bay consists of a Penetrator-style radiating element with a 1-5/8" shunt feed line. Each JMPC is factory tuned to any frequency in the FM Band II (87.5 -108 MHz) range on a tower structure that bests simulates the customer's actual tower. Multiple frequency design is also available. The true circular polarization offers excellent performance for HD Radio, stereo and SCA operation. Typical VSWR is 1.1:1 ± 200 kHz.

JSHD-HD ANTENNA
Here's a Dual-Input FM system designed for full service stations. It provides outstanding linearity and power handling capability, and isolates and separates inputs for analog and digital transmitters. This allows digital transmitters to operate at target power with no power lost in a reject load and no power reduction caused by 'lossy' digital injectors. Because of a strong power distribution system, there is no single point failure to take the antenna totally off the air.

RCHA-323-10HD DIGITAL FM RADIO COMBINER
This digital FM radio combiner has high levels of isolation and properly sized inputs for analog and digital FM transmitters, or chose the lower power rated RCHA-222-10HD. Effective self-cooling means safe combining without the need for AC cooling fans. It is available for existing coax and reject load, or as a complete system for fast installation.

JL-SS SUPER SLOT LOW-POWER TV ANTENNAS
Ideal for DTV, DVB-T/H, NTSC Drop In's and Gap Fillers for DTV Channels 14-69 (470 to 806 MHz.); bands IV and V (470 to 890 MHz.) It's low price and outstanding performance allows optimal performance to meet the critical coverage needs of DTV, DVB-T/H and Gap Fillers. This series of horizontally polarized UHF antennas was developed to handle up to 0.70 kW DTV / DVB-T/H (average) or 1.0 kW analog (NTSC) input power while providing ERP levels up to 7.04 kW Peak. Because of low weight and windload, these antennas mount on many existing analog towers without structural changes. The JL-SS's outstanding bandwidth allows stations to use the antenna right out of the box. Standard omnoid azimuth patterns are provided. The standard 4 bay configurations of this antenna offers a gain of 7.04 times / 8.47 dBd.

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